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php 与 java对接通用加解密方法

本文整理了php和java链条过程中,双方通用的加密和解密方法。

java 加解密方法

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import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.util.Base64;

/**
* @author baihe
*/ public class AES {

/**
* 加密算法
*
* @param sSrc
* @param sKey
* @return
* @throws Exception
*/ public static String Encrypt(String sSrc, String sKey) throws Exception {
if (sKey == null) {
System.out.print("Key为空null");
return null;
}
// 判断Key是否为16位
if (sKey.length() != 16) {
System.out.print("Key长度不是16位");
return null;
}
byte[] raw = sKey.getBytes("utf-8");
SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");//"算法/模式/补码方式"
cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8"));

String result = Base64.getEncoder().encodeToString(encrypted);
return java.net.URLEncoder.encode(result, "UTF-8"); //此处使用BASE64做转码功能,同时能起到2次加密的作用。
}

// 解密算法
public static String Decrypt(String sSrc, String sKey) throws Exception {
try {
// 判断Key是否正确
if (sKey == null) {
System.out.print("Key为空null");
return null;
}
// 判断Key是否为16位
if (sKey.length() != 16) {
System.out.print("Key长度不是16位");
return null;
}
byte[] raw = sKey.getBytes("utf-8");
SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, skeySpec);
try {
sSrc = java.net.URLDecoder.decode(sSrc, "UTF-8");
byte[] encrypted1 = Base64.getDecoder().decode(sSrc);//先用base64解密
byte[] original = cipher.doFinal(encrypted1);
String originalString = new String(original, "utf-8");
return originalString;
} catch (Exception e) {
System.out.println(e.toString());
return null;
}
} catch (Exception ex) {
System.out.println(ex.toString());
return null;
}
}

public static void main(String[] args) throws Exception {
/*
* 此处使用AES-128-ECB加密模式,key需要为16位。 */ String cKey = "WeDoct_XiangYang";
// 需要加密的字串
String cSrc = "{\"doctorIdcard\":\"420682198102024516\",\"doctorBelongTeamid\":\"84\",\"idcard\":\"110101200003070236\",\"mobile\":\"13910043421\",\"name\":\"\\u5927\\u767d\",\"type\":\"1\",\"relationship\":\"10\",\"relationDesc\":\"\\u5b59\\u5973\",\"liveProvinceid\":\"420000000000\",\"liveCityid\":\"420600000000\",\"liveCountyid\":\"420682000000\",\"liveTownshipid\":\"420682104000\",\"liveVillageid\":\"420682104001\",\"liveDetailAddress\":\"\\u8944\\u9633\\u5e02\",\"crowdType\":\"1\",\"isTuberculosis\":\"0\",\"isHypertension\":\"0\",\"isDiabetes\":\"0\",\"isPsychologica\":\"0\",\"isDestitute\":\"0\",\"isDisabilit\":\"0\",\"isPoverty\":\"0\",\"isFlowPeople\":\"1\",\"isFiveInsured\":\"0\",\"isLowInsured\":\"0\",\"app_id\":\"xysignbaokang\",\"app_secret\":\"3RDfblpUvziDOmSk\"}";

System.out.println(cSrc);
// 加密
String enString = AES.Encrypt(cSrc, cKey);
System.out.println("加密后的字串是:" + enString);

// 解密
String DeString = AES.Decrypt(enString, cKey);
System.out.println("解密后的字串是:" + DeString);
}
}

php 加解密方法

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public static function WeDecrypt($input, $securityKey) {
$input = urldecode($input);
$input = openssl_decrypt($input, 'AES-128-ECB', $securityKey);
if (!$input) {
return false;
}
return $input;
}

public static function WeDoctorEncrypt($input, $securityKey) {

$inputArr = json_decode($input, true);//转为数组
if (!is_array($inputArr) || empty($inputArr)) {
return false;
}
$input = json_encode($inputArr, JSON_UNESCAPED_UNICODE);//转为json字符串
//进行Aes加密
$data = openssl_encrypt($input, 'AES-128-ECB', $securityKey);
return urlencode($data);
}

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